20342327516 has 24 divisors (see below), whose sum is σ = 40706096256. Its totient is φ = 8713545840.

The previous prime is 20342327497. The next prime is 20342327557. The reversal of 20342327516 is 61572324302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137090 + ... + 243881.

It is an arithmetic number, because the mean of its divisors is an integer number (1696087344).

Almost surely, 2^20342327516 is an apocalyptic number.

It is an amenable number.

20342327516 is an abundant number, since it is smaller than the sum of its proper divisors (20363768740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20342327516 is a wasteful number, since it uses less digits than its factorization.

20342327516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382889 (or 382887 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 35.

The spelling of 20342327516 in words is "twenty billion, three hundred forty-two million, three hundred twenty-seven thousand, five hundred sixteen".